TaxRateDataGrid.php

<?php

namespace Webkul\Admin\DataGrids;

use Webkul\Ui\DataGrid\DataGrid;
use DB;

/**
 * TaxRateDataGrid Class
 *
 * @author Prashant Singh <prashant.singh852@webkul.com> @prashant-webkul
 * @copyright 2018 Webkul Software Pvt Ltd (http://www.webkul.com)
 */
class TaxRateDataGrid extends DataGrid
{
    protected $index = 'id';

    protected $sortOrder = 'desc'; //asc or desc

    public function prepareQueryBuilder()
    {
        $queryBuilder = DB::table('tax_rates')->addSelect('id', 'identifier', 'state', 'country', 'zip_code', 'zip_from', 'zip_to', 'tax_rate');

        $this->setQueryBuilder($queryBuilder);
    }

    public function addColumns()
    {
        $this->addColumn([
            'index' => 'id',
            'label' => trans('admin::app.datagrid.id'),
            'type' => 'number',
            'searchable' => false,
            'sortable' => true,
            'filterable' => true
        ]);

        $this->addColumn([
            'index' => 'identifier',
            'label' => trans('admin::app.datagrid.identifier'),
            'type' => 'string',
            'searchable' => true,
            'sortable' => true,
            'filterable' => true
        ]);

        $this->addColumn([
            'index' => 'state',
            'label' => trans('admin::app.datagrid.state'),
            'type' => 'string',
            'searchable' => true,
            'sortable' => true,
            'filterable' => true
        ]);

        $this->addColumn([
            'index' => 'country',
            'label' => trans('admin::app.datagrid.country'),
            'type' => 'string',
            'searchable' => true,
            'sortable' => true,
            'filterable' => true
        ]);

        $this->addColumn([
            'index' => 'zip_code',
            'label' => trans('admin::app.configuration.tax-rates.zip_code'),
            'type' => 'string',
            'searchable' => true,
            'sortable' => true,
            'filterable' => true
        ]);

        $this->addColumn([
            'index' => 'zip_from',
            'label' => trans('admin::app.configuration.tax-rates.zip_from'),
            'type' => 'string',
            'searchable' => true,
            'sortable' => true,
            'filterable' => true
        ]);

        $this->addColumn([
            'index' => 'zip_to',
            'label' => trans('admin::app.configuration.tax-rates.zip_to'),
            'type' => 'string',
            'searchable' => true,
            'sortable' => true,
            'filterable' => true
        ]);

        $this->addColumn([
            'index' => 'tax_rate',
            'label' => trans('admin::app.datagrid.tax-rate'),
            'type' => 'string',
            'searchable' => true,
            'sortable' => true,
            'filterable' => true
        ]);
    }

    public function prepareActions() {
        $this->addAction([
            'type' => 'Edit',
            'method' => 'GET', // use GET request only for redirect purposes
            'route' => 'admin.tax-rates.store',
            'icon' => 'icon pencil-lg-icon'
        ]);

        $this->addAction([
            'type' => 'Delete',
            'method' => 'POST', // use GET request only for redirect purposes
            'route' => 'admin.tax-rates.delete',
            'icon' => 'icon trash-icon'
        ]);
    }
}